Adverbial phrases in Armenian grammar are multi-word expressions that function as an adverb, providing additional information about the action of a verb, such as how, when, where, or why the action occurs. In Armenian, adverbs can be formed from adjectives, nouns, and verbs, and an adverbial phrase can consist of an adverb with other accompanying words. Like in any other language, mastering adverbial phrases in Armenian enhances the understanding of the language and allows for more accurate and detailed expression of thoughts.